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Don't see what you need? Contact us. We have many more tubes that are not yet listed. We also have new and good used tubes in most other numbers including preoctal, globe/balloon, octal, loctal, miniature, subminiature, metal, power, transmitter tubes and many more.

MDB Ventures Audio Tubes
Qty
Avail
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conduct

Desc

Notes
1 6V6 $10.00 Sylvania 110% 4500 / 4100Gm NOS (wb) metal - yellow lettering
1 6V6Y $4.00 RCA 100% 4200 / 4100Gm used (L) metal - brown base - JAN
1 6V6Y $2.50 RCA 90% 4000 / 4100Gm used (L) metal - brown base - JAN
1 6V6 $5.00 RCA 110% 4500 / 4100Gm used (ob) metal
1 6V6 $5.00 RCA 110% 4400 / 4100Gm used (L) metal - JAN
1 6V6 $5.00 Sylvania 110% 4300 / 4100Gm used (L) metal
1 6V6 $5.00 Ratheon 110% 4500 / 4100Gm used (L) metal
1 6V6 $5.00 Westinghouse 110% 4700 / 4100Gm used (L) metal
1 6V6 $5.00 Delco 120% 4600 / 4100Gm used (L) metal
1 6V6 $5.00 RCA 115% 4700 / 4100Gm used (L) metal
1 6V6 $5.00 National Union 120% 4900 / 4100Gm used (L) metal
1 6V6 $4.00 Ken-Rad 100% 4000 / 4100Gm used (L) metal
1 6V6 $4.00 Sylvania 100% 4200 / 4100Gm used (L) metal
1 6V6 $4.00 RCA 100% 4200 / 4100Gm used (L) metal - JAN
1 6V6 $4.00 RCA 100% 4200 / 4100Gm used (L) metal
1 6V6 $4.00 RCA 100% 4400 / 4100Gm used (L) metal
1 6V6 $4.00 RCA 100% 4500 / 4100Gm used (L) metal
1 6V6 $2.50 RCA 90% 4100 / 4100Gm used (L) metal
1 6V6 $2.50 RCA 90% 4200 / 4100Gm used (L) metal
1 6V6-GT $3.00 Delco 115% 5100 / 4100Gm used (L) gray coat - cracked base - loose base - grid 'c' clip
1 6V6-GT $3.00 FoMoCo 120% 5000 / 4100Gm used (L) gray coat - cracked base - loose base
1 6V6-GT $3.00 Sylvania 115% 4700 / 4100Gm used (L) green lettering - gray coat - cracked base
1 6V6-GT $4.00 Delco 100% 3800 / 4100Gm used (L) gray coat - grid 'c' clip
1 6V6-GT $4.00 Sylvania 100% 4200 / 4100Gm used (L) grid 'c' clip - red lettering
1 6V6-GT $4.00 National Union 100% 3300 / 4100Gm used (L) gray coat - grid 'c' clip
1 6V6-GT $4.00 CBS 100% 3800 / 4100Gm used (L) clear glass
1 6V6-GT $4.00 Magnavox 100% 3800 / 4100Gm used (L) gray coat - chrome top
1 6V6-GT $4.00 Delco 100% 3500 / 4100Gm used (L) black coat
1 6V6-GT $4.00 Delco 105% 5000 / 4100Gm used (L) black coat
1 6V6-GT $4.00 Motorola 100% 3800 / 4100Gm used (L) gray coat
1 6V6-GT $4.00 Silvertone 100% 3800 / 4100Gm used (L) black coat
1 6V6-GT $4.00 Delco 100% 3800 / 4100Gm used (L) black coat
1 6V6-GT $4.00 M? 100% 4200 / 4100Gm used (L) clear glass
1 6V6-GT $4.00 CBS 100% 4000 / 4100Gm used (L) clear glass
1 6V6-GT $4.00 Coronado 100% 3600 / 4100Gm used (L) black coat
1 6V6-GT $4.00 GM 100% 3600 / 4100Gm used (L) gray coat
1 6V6-GT $4.00 Delco 100% 3500 / 4100Gm used (L) black coat
1 6V6-GT $4.00 Silvertone 100% 4300 / 4100Gm used (L) gray coat
1 6V6-GT $4.00 FMco 100% 3800 / 4100Gm used (L) gray coat
1 6V6-GT $2.00 Magnavox 90% 4200 / 4100Gm used (L) gray coat
1 6V6-GT $2.00 Hytron 90% 3500 / 4100Gm used (L) gray coat
1 6V6-GT $2.00 FoMoCo 85% 3800 / 4100Gm used (L) black coat
1 6V6-GT $2.00 Hytron 90% 3500 / 4100Gm used (L) gray coat
1 6V6-GT $2.00 Admiral 100% 4000 / 4100Gm used (L) gray coat - cracked base - loose base
1 6V6-GT $2.00 Emerson 90% 4300 / 4100Gm used (L) gray coat - loose base
1 6V6-GT $2.00 Fm Co. 95% 4400 / 4100Gm used (L) black coat - loose base
1 6V6-GT $2.00 GE 90% 3800 / 4100Gm used (L) black coat - white lettering - loose base
1 6V6-GT $2.00 GE 90% 4000 / 4100Gm used (L) gray coat - grid 'c' clip - white lettering - loose base
1 6V6-GT $2.00 Delco 95% 3600 / 4100Gm used (L) black coat - loose base
1 6V6-GT $2.00 Cunningham 90% 3600 / 4100Gm used (L) gray coat - loose base
1 6V6-GT $2.00 GM 100% 4600 / 4100Gm used (L) gray coat - cracked base - grid 'c' clip
1 12V6-GT $10.00 RCA 110% 5000 / 4100Gm NOS (OB) red lettering - dual bot getter
1 12V6-GT $10.00 RCA 130% 5500 / 4100Gm NOS (OB) red lettering - dual bot getter
1 12V6-GT $10.00 RCA 130% 5400 / 4100Gm NOS (OB) red lettering - dual bot getter
1 12V6-GT $10.00 RCA 130% 5400 / 4100Gm NOS (OB) red lettering - dual bot getter - missing box flap
1 12V6-GT $10.00 RCA 120% 5000 / 4100Gm NOS (OB) silver lettering - dual bot getter - grid 'c' clip - gray coat
1 12V6-GT $7.50 Raytheon 120% 4500 / 4100Gm NOS (OB) gray coat
1 12V6-GT $7.50 Raytheon 110% 5500 / 4100Gm NOS (OB) gray coat
1 12V6-GT $7.50 Sylvania 110% 4600 / 4100Gm NOS (OB) yellow lettering - top getter - black coat
1 12V6-GT $7.50 Sylvania 110% 4700 / 4100Gm NOS (OB) yellow lettering - top getter - grid 'c' clip
1 12V6-GT $7.50 Sylvania 120% 5000 / 4100Gm NOS (OB) yellow lettering - top getter - grid 'c' clip
1 12V6-GT $7.50 Sylvania 120% 5000 / 4100Gm NOS (OB) yellow lettering - top getter
1 12V6-GT $7.50 Sylvania 120% 4900 / 4100Gm NOS (OB) yellow lettering - top gettert
1 12V6-GT $7.50 GE 110% 4300 / 4100Gm NOS (OB) white lettering - top getter
1 12V6-GT $7.50 GE 110% 4700 / 4100Gm NOS (OB) white lettering - top getter
1 12V6-GT $7.50 GE 130% 4900 / 4100Gm NOS (OB) green lettering - top getter
1 12V6-GT $7.50 Westinghouse 120% 5100 / 4100Gm NOS (OB) top getter
1 12V6-GT $7.50 Zenith 110% 4600 / 4100Gm NOS (OB) top getter
1 12V6-GT $7.50 Delco 110% 4300 / 4100Gm NOS (OB) black coat - missing box flap
1 12V6-GT $7.50 GM / Delco 120% 4800 / 4100Gm NOS (OB) dual bot getters - grid clip
1 12V6-GT $7.50 Motorola 120% 4800 / 4100Gm NOS (OB) top getter
1 12V6-GT $4.00 Delco 110% 4800 / 4100Gm used (rb) gray coat - bot getter
1 12V6-GT $4.00 Delco 110% 4700 / 4100Gm used (rb) bot getter
1 12V6-GT $4.00 Delco 100% 4500 / 4100Gm used (L) top getter

Notes:
(OB) = original box, (rb) = relabeled/replacement box, (wb) = white box, (L) = loose (no box), (pl) = paper label on tube (original or third party)
(H) = tested on Hickok 539A
(ST)=ST Style, (GT)=GT Style, (TT)=Tall Tubular, (M7)=7pin miniature, M9=9pin miniature, (SM)=subminiature, JAN = Military
Emission Strength = Percentage of emission measured on Eico 666 tube tester
(Emission Strength = 100% baseline reference, >80%:good, >60%:fair >40%=diode good).
Gm = Mutual conductance measured on Hickok 533 tube tester; Except (H)=tested on Hickok 539A
(Gm = measured/baseline, measured1:measured2/baseline, measured1:measured2/baseline1:baseline2).


How To Order:

Purchasing our audio tubes is easy.
Just send us an email indicating the tubes (including quantities) you want.
We will let you know the total price including shipping and handling.

Shipping and Handling Information

Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com

Due to the highly volatile nature of the tube business, all Prices are subject to change without notice.


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Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com